All around the world, Oneca (Oneca 
) is a very rare girly first name. The first name Oneca is habitual in Northern America, particularly the United States, where it is an extremely rare female name. More prevalently, Oneca is the last name as well as the forename.
Ana, Susana, Sergio, Alexis, Alicia, Andrea, Angela, Anibal, Ainara, Carlos, Blanca, Raquel, Rejane, Damaso, Damian, Gisela, Javier, Nieves, Nestor, Esther, Edurne, Iñigo, Silvia, Monica, Idoia, Nilda, Eva, Iã, Sara, Raul, Jose, Juan, Olga, Omar, Maria, Sonia, Iñaki, Angel, Aitor, Clara, Pablo, David, Diego, Laura, Lucia, Lucas, Jorge, Nadia, Ariel, and Marcelo